From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 115822 invoked by alias); 20 May 2017 20:56:40 -0000 Mailing-List: contact kawa-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: kawa-owner@sourceware.org Received: (qmail 115807 invoked by uid 89); 20 May 2017 20:56:38 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:521 X-HELO: aibo.runbox.com Received: from aibo.runbox.com (HELO aibo.runbox.com) (91.220.196.211) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sat, 20 May 2017 20:56:37 +0000 Received: from [10.9.9.212] (helo=mailfront12.runbox.com) by mailtransmit02.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1dCBQS-0004V0-2Y; Sat, 20 May 2017 22:56:36 +0200 Received: from 64-118-118-90-rt-broadband-00.broadband.oakhurst.sti.net ([64.118.118.90] helo=localhost.localdomain) by mailfront12.runbox.com with esmtpsa (uid:757155 ) (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.82) id 1dCBQK-00084j-0b; Sat, 20 May 2017 22:56:28 +0200 Subject: Re: list comprehension patterns To: Kawa mailing list Cc: Sudarshan S Chawathe , Andrea Bernardini References: <23088.1495063886@vereq.eip10.org> From: Per Bothner Message-ID: <4060817e-1485-c8f2-8a18-3ee5a3cd2c97@bothner.com> Date: Sat, 20 May 2017 20:56:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: <23088.1495063886@vereq.eip10.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2017-q2/txt/msg00073.txt.bz2 On 05/17/2017 04:31 PM, Sudarshan S Chawathe wrote: > Minor point: I found the comparison of outer-product to a database's > "outer join" confusing. If I'm not mistaken, the operator is more like > a database's cross product (or "cross join"). On 05/18/2017 03:58 PM, Andrea Bernardini wrote: > I think what you call outer join should be called Cartesian product > or cross join Thanks to both of you - I changed it accordingly. -- --Per Bothner per@bothner.com http://per.bothner.com/